Neoteny, also called juvenilization,'s the retention, by adults in a species, of traits previously seen only in juveniles (a kind of pedomorphosis), and's a subject studied in the field of developmental biology. In neoteny, the physiological (or somatic) development of an animal or organism's slowed or delayed (alternatively, seen as a dilation of biological time). Ultimately this process results in the retention, in the adults of a species, of juvenile physical characteristics well into maturit… (More on Neoteny)